| Preakness to Cividale del Friuli | 4,175.03 mi (6,719.07 km) |
| Preakness to Civita Castellana | 4,264.53 mi (6,863.10 km) |
| Preakness to Civitanova Marche | 4,286.02 mi (6,897.68 km) |
| Preakness to Civitavecchia | 4,244.75 mi (6,831.26 km) |
| Preakness to Civitella in Val di Chiana | 4,194.84 mi (6,750.94 km) |
| Preakness to Clusone | 4,035.95 mi (6,495.23 km) |
| Preakness to Coccaglio | 4,047.59 mi (6,513.97 km) |
| Preakness to Codigoro | 4,163.10 mi (6,699.86 km) |
| Preakness to Codogno | 4,049.13 mi (6,516.44 km) |
| Preakness to Codroipo | 4,160.82 mi (6,696.20 km) |
| Preakness to Cogoleto | 4,028.64 mi (6,483.47 km) |
| Preakness to Colle di Val d'Elsa | 4,170.08 mi (6,711.10 km) |
| Preakness to Colle Salvetti | 4,134.94 mi (6,654.54 km) |
| Preakness to Collecchio | 4,084.65 mi (6,573.62 km) |
| Preakness to Colleferro | 4,311.36 mi (6,938.47 km) |
